Inspection Of The Pulser Coils; Adjustment Of The Pulser Coil Air Gap - TOHATSU MFS 25D Service Manual

Electrical System

5) Inspection of the Pulser Coils

Disconnect the #1 pulser coil connector 1 on the
1.
starboard side.
2. Measure the resistance of the #1 pulser coil. Replace it if
the value is not as specified.
Disconnect the #2 pulser coil coupler 2 (1 pin) on the port
3.
side and test the #2 pulser coil in the same way as #1.
This test can be conducted without removing the
part.
Pulser Coil Resistance
(Reference Value): #1
Between Red (R) and Black (B) terminals
(Reference Value): #2
Between Red/Yellow (R/Y) and Block Ground.

6) Adjustment of the Pulser Coil Air Gap

Loosen the mounting screws of the pulser coil 1 and
1.
insert the thickness gauge into the gap a between the
pulser coil and the encoder ring 3 on the flywheel 2.
Pulser Coil Air Gap: a
0.6 to 1.0 mm (0.024 to 0.039 in)
2. Tighten the mounting screws of the pulser coil.
The gap between the encoder ring and the pulser
coil can be kept even by tightening the screws
while pushing the pulser coil lightly toward the
flywheel.
8-22
1 #1 Pulser coil (1 pin)
2 #2 Pulser coil (1 pin)
4st 25/30 2022